<template>
	<view class="echarts_item">
		<view style="text-align: center; padding: 10rpx 0;">
			<text style="font-size: 32rpx; color: #333; font-weight: bold;">目标完成趋势分析</text>
		</view>
		<u-subsection :list="list" :current="current" @change="sectionChange" mode="subsection" activeColor="#2997ff"
			style="padding: 0 24rpx;"></u-subsection>
		<qiun-data-charts type="line" :opts="opts" :chartData="chartData" :ontouch="true" />
	</view>
</template>

<script>
	export default {
		data() {
			return {
				current:0,
				list:['每日','每周','每月'],
				chartData: {},
				//您可以通过修改 config-ucharts.js 文件中下标为 ['line'] 的节点来配置全局默认参数，如都是默认参数，此处可以不传 opts 。实际应用过程中 opts 只需传入与全局默认参数中不一致的【某一个属性】即可实现同类型的图表显示不同的样式，达到页面简洁的需求。
				opts: {
					color: ["#1890FF", "#91CB74", "#FAC858", "#EE6666", "#73C0DE", "#3CA272", "#FC8452", "#9A60B4",
						"#ea7ccc"
					],
					padding: [15, 10, 0, 15],
					enableScroll: true,
					legend: {},
					xAxis: {
						disableGrid: true,
						scrollShow: true,
						itemCount: 4
					},
					yAxis: {
						gridType: "dash",
						dashLength: 2
					},
					extra: {
						line: {
							type: "straight",
							width: 2,
							activeType: "hollow"
						}
					}
				}
			};
		},
		created() {
			this.getServerData();
		},
		methods: {
			sectionChange(index) {
				this.current = index;
				this.getServerData(index)
			},
			getServerData() {
				//模拟从服务器获取数据时的延时
				setTimeout(() => {
					//模拟服务器返回数据，如果数据格式和标准格式不同，需自行按下面的格式拼接
					let res = {
						categories: ["1号", "2号", "3号", "4号", "5号", "6号"],
						series: [{
								name: "存款",
								data: [35, 8, 25, 37, 4, 20]
							},
							{
								name: "贷款",
								data: [70, 40, 65, 100, 44, 68]
							},
							{
								name: "代理业务",
								data: [100, 80, 95, 150, 112, 132]
							}
						]
					};
					this.chartData = JSON.parse(JSON.stringify(res));
				}, 500);
			},
		}
	};
</script>

<style scoped>
	/* 请根据实际需求修改父元素尺寸，组件自动识别宽高 */
	.charts-box {
		width: 100%;
		padding: 24rpx;
		box-sizing: border-box;
		/* height: 300px; */
		background-color: #fff;
		margin-bottom: 24rpx;
	}
</style>